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한국인의 요오드 섭취와 요오드 상한섭취량
Iodine Intake and Tolerable Upper Intake Level of Iodine for Koreans 원문보기

韓國營養學會誌 = The Korean journal of nutrition., v.44 no.1, 2011년, pp.82 - 91  

이현숙 (국민대학교 식품영양학과) ,  민혜선 (한남대학교 식품영양학과)

Abstract AI-Helper 아이콘AI-Helper

The present study reviewed the effects of excess iodine intake on thyroid function and the incidence of thyroid disease and discussed the scientific basis for establishing a tolerable upper intake level (UL) of iodine for Koreans. ULs are defined as "the highest level of daily nutrient intake that i...

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문제 정의

  • 본 연구에서는 지금까지 발표된 국내외 자료들을 근거로 요오드 과다섭취의 문제점과 섭취실태를 살펴보고 한국인의 요오드 상한섭취량의 설정과정에 대하여 설명하고자한다.
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질의응답

핵심어 질문 논문에서 추출한 답변
영양소 상한섭취량은 무엇을 의미하는가? 영양소 상한섭취량 (Tolerable Upper Level of Intake, UL)은 인체 건강에 유해영향을 나타내지 않는 최대영양소 섭취수준을 의미하며, 과잉섭취로 인한 위험을 예방할 목적으로 설정되었다. 특정 영양소의 과량 섭취 시 유해영향의 위험이 있다는 근거자료가 있을 경우에 상한섭취량을 설정하였으며, “일반 집단의 대다수 구성원들에게 건강상 유해영향의 위험을 나타내지 않을 섭취수준”으로 설정하였다.
요오드 과다섭취로 인한 갑상샘항진을 방지하기 위한 조절 기전으로 무엇이 있는가? 이와 반대로 요오드 과다섭취로 인한 갑상샘항진을 방지하기 위한 조절기전으로 ‘Wolff-Chaikoff 효과’와 ‘나트륨-요오드 공동수송체 (sodium-iodide symporter, NIS)’에 의한 조절과정이 있다. 이 두 조절과정 중 NIS가 갑상샘호르몬의 항상성을 유지하는데 주된 역할을 하는 것으로 알려져 있다.
요오드 상한섭취량은 왜 인구집단 또는 지역별로 차이가 크게 나타나는가? 각국의 요오드 권장섭취량이 대체로 유사한 것과 대조적으로 요오드 상한섭취량은 인구집단 또는 지역별로 차이가 많다. 그 이유는 갑상샘 기능이 정상인 경우 일시적으로 과량의 요오드를 섭취할 경우 갑상샘 기능을 정상수준으로 유지하는 자동조절능력이 있으며,8) 지리적 또는 식생활문화에 따라 평소에 고요오드를 섭취하는 식습관에도 불구하고 요오드 과다섭취로 인한 임상적 증세가 나타나지 않는 사례도 많기 때문인 것으로 보인다.9-13)
질의응답 정보가 도움이 되었나요?

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